28093476 has 24 divisors (see below), whose sum is σ = 69002080. Its totient is φ = 8871552.

The previous prime is 28093463. The next prime is 28093477. The reversal of 28093476 is 67439082.

It is not an unprimeable number, because it can be changed into a prime (28093477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61381 + ... + 61836.

Almost surely, 2^28093476 is an apocalyptic number.

It is an amenable number.

28093476 is an abundant number, since it is smaller than the sum of its proper divisors (40908604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28093476 is a wasteful number, since it uses less digits than its factorization.

28093476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123243 (or 123241 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 28093476 is about 5300.3279143842. The cubic root of 28093476 is about 303.9964363617.

The spelling of 28093476 in words is "twenty-eight million, ninety-three thousand, four hundred seventy-six".